Fig. 3From: Relevance of the time interval between surgery and adjuvant radio (chemo) therapy in HPV-negative and advanced head and neck carcinoma of unknown primary (CUP)Association of time span from surgery to adjuvant therapy with disease specific survival. Kaplan-Meier estimates of overall survival according to the implementation of adjuvant therapy within (< 55 d) and later than 55 d (≥ 50 d) after surgery (X2(1) = 0.29, p = 0.589)Back to article page